libcli/nbt/nbtname.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3
   4    manipulate nbt name structures
   5
   6    Copyright (C) Andrew Tridgell 2005
   7
   8    This program is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation; either version 3 of the License, or
  11    (at your option) any later version.
  12
  13    This program is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  20 */
  21
  22 /*
  23   see rfc1002 for the detailed format of compressed names
  24 */
  25
  26 #include "includes.h"
  27 #include "librpc/gen_ndr/ndr_nbt.h"
  28 #include "librpc/gen_ndr/ndr_misc.h"
  29 #include "system/locale.h"
  30 #include "lib/util/util_net.h"
  31
  32 /* don't allow an unlimited number of name components */
  33 #define MAX_COMPONENTS 10
  34
  35 /**
  36   print a nbt string
  37 */
  38 _PUBLIC_ void ndr_print_nbt_string(struct ndr_print *ndr, const char *name, const char *s)
  39 {
  40         ndr_print_string(ndr, name, s);
  41 }
  42
  43 /*
  44   pull one component of a nbt_string
  45 */
  46 static enum ndr_err_code ndr_pull_component(struct ndr_pull *ndr,
  47                                             uint8_t **component,
  48                                             uint32_t *offset,
  49                                             uint32_t *max_offset)
  50 {
  51         uint8_t len;
  52         unsigned int loops = 0;
  53         while (loops < 5) {
  54                 if (*offset >= ndr->data_size) {
  55                         return ndr_pull_error(ndr, NDR_ERR_STRING,
  56                                               "BAD NBT NAME component");
  57                 }
  58                 len = ndr->data[*offset];
  59                 if (len == 0) {
  60                         *offset += 1;
  61                         *max_offset = MAX(*max_offset, *offset);
  62                         *component = NULL;
  63                         return NDR_ERR_SUCCESS;
  64                 }
  65                 if ((len & 0xC0) == 0xC0) {
  66                         /* its a label pointer */
  67                         if (1 + *offset >= ndr->data_size) {
  68                                 return ndr_pull_error(ndr, NDR_ERR_STRING,
  69                                                       "BAD NBT NAME component");
  70                         }
  71                         *max_offset = MAX(*max_offset, *offset + 2);
  72                         *offset = ((len&0x3F)<<8) | ndr->data[1 + *offset];
  73                         *max_offset = MAX(*max_offset, *offset);
  74                         loops++;
  75                         continue;
  76                 }
  77                 if ((len & 0xC0) != 0) {
  78                         /* its a reserved length field */
  79                         return ndr_pull_error(ndr, NDR_ERR_STRING,
  80                                               "BAD NBT NAME component");
  81                 }
  82                 if (*offset + len + 2 > ndr->data_size) {
  83                         return ndr_pull_error(ndr, NDR_ERR_STRING,
  84                                               "BAD NBT NAME component");
  85                 }
  86                 *component = (uint8_t*)talloc_strndup(ndr, (const char *)&ndr->data[1 + *offset], len);
  87                 NDR_ERR_HAVE_NO_MEMORY(*component);
  88                 *offset += len + 1;
  89                 *max_offset = MAX(*max_offset, *offset);
  90                 return NDR_ERR_SUCCESS;
  91         }
  92
  93         /* too many pointers */
  94         return ndr_pull_error(ndr, NDR_ERR_STRING, "BAD NBT NAME component");
  95 }
  96
  97 /**
  98   pull a nbt_string from the wire
  99 */
 100 _PUBLIC_ enum ndr_err_code ndr_pull_nbt_string(struct ndr_pull *ndr, int ndr_flags, const char **s)
 101 {
 102         uint32_t offset = ndr->offset;
 103         uint32_t max_offset = offset;
 104         unsigned num_components;
 105         char *name;
 106
 107         if (!(ndr_flags & NDR_SCALARS)) {
 108                 return NDR_ERR_SUCCESS;
 109         }
 110
 111         name = NULL;
 112
 113         /* break up name into a list of components */
 114         for (num_components=0;num_components<MAX_COMPONENTS;num_components++) {
 115                 uint8_t *component = NULL;
 116                 NDR_CHECK(ndr_pull_component(ndr, &component, &offset, &max_offset));
 117                 if (component == NULL) break;
 118                 if (name) {
 119                         name = talloc_asprintf_append_buffer(name, ".%s", component);
 120                         NDR_ERR_HAVE_NO_MEMORY(name);
 121                 } else {
 122                         name = (char *)component;
 123                 }
 124         }
 125         if (num_components == MAX_COMPONENTS) {
 126                 return ndr_pull_error(ndr, NDR_ERR_STRING,
 127                                       "BAD NBT NAME too many components");
 128         }
 129         if (num_components == 0) {
 130                 name = talloc_strdup(ndr, "");
 131                 NDR_ERR_HAVE_NO_MEMORY(name);
 132         }
 133
 134         (*s) = name;
 135         ndr->offset = max_offset;
 136
 137         return NDR_ERR_SUCCESS;
 138 }
 139
 140 /**
 141   push a nbt string to the wire
 142 */
 143 _PUBLIC_ enum ndr_err_code ndr_push_nbt_string(struct ndr_push *ndr, int ndr_flags, const char *s)
 144 {
 145         if (!(ndr_flags & NDR_SCALARS)) {
 146                 return NDR_ERR_SUCCESS;
 147         }
 148
 149         while (s && *s) {
 150                 enum ndr_err_code ndr_err;
 151                 char *compname;
 152                 size_t complen;
 153                 uint32_t offset;
 154
 155                 /* see if we have pushed the remaing string allready,
 156                  * if so we use a label pointer to this string
 157                  */
 158                 ndr_err = ndr_token_retrieve_cmp_fn(&ndr->nbt_string_list, s, &offset, (comparison_fn_t)strcmp, false);
 159                 if (NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
 160                         uint8_t b[2];
 161
 162                         if (offset > 0x3FFF) {
 163                                 return ndr_push_error(ndr, NDR_ERR_STRING,
 164                                                       "offset for nbt string label pointer %u[%08X] > 0x00003FFF",
 165                                                       offset, offset);
 166                         }
 167
 168                         b[0] = 0xC0 | (offset>>8);
 169                         b[1] = (offset & 0xFF);
 170
 171                         return ndr_push_bytes(ndr, b, 2);
 172                 }
 173
 174                 complen = strcspn(s, ".");
 175
 176                 /* we need to make sure the length fits into 6 bytes */
 177                 if (complen > 0x3F) {
 178                         return ndr_push_error(ndr, NDR_ERR_STRING,
 179                                               "component length %u[%08X] > 0x0000003F",
 180                                               (unsigned)complen, (unsigned)complen);
 181                 }
 182
 183                 compname = talloc_asprintf(ndr, "%c%*.*s",
 184                                                 (unsigned char)complen,
 185                                                 (unsigned char)complen,
 186                                                 (unsigned char)complen, s);
 187                 NDR_ERR_HAVE_NO_MEMORY(compname);
 188
 189                 /* remember the current componemt + the rest of the string
 190                  * so it can be reused later
 191                  */
 192                 NDR_CHECK(ndr_token_store(ndr, &ndr->nbt_string_list, s, ndr->offset));
 193
 194                 /* push just this component into the blob */
 195                 NDR_CHECK(ndr_push_bytes(ndr, (const uint8_t *)compname, complen+1));
 196                 talloc_free(compname);
 197
 198                 s += complen;
 199                 if (*s == '.') s++;
 200         }
 201
 202         /* if we reach the end of the string and have pushed the last component
 203          * without using a label pointer, we need to terminate the string
 204          */
 205         return ndr_push_bytes(ndr, (const uint8_t *)"", 1);
 206 }
 207
 208
 209 /*
 210   decompress a 'compressed' name component
 211  */
 212 static bool decompress_name(char *name, enum nbt_name_type *type)
 213 {
 214         int i;
 215         for (i=0;name[2*i];i++) {
 216                 uint8_t c1 = name[2*i];
 217                 uint8_t c2 = name[1+(2*i)];
 218                 if (c1 < 'A' || c1 > 'P' ||
 219                     c2 < 'A' || c2 > 'P') {
 220                         return false;
 221                 }
 222                 name[i] = ((c1-'A')<<4) | (c2-'A');
 223         }
 224         name[i] = 0;
 225         if (i == 16) {
 226                 *type = (enum nbt_name_type)(name[15]);
 227                 name[15] = 0;
 228                 i--;
 229         } else {
 230                 *type = NBT_NAME_CLIENT;
 231         }
 232
 233         /* trim trailing spaces */
 234         for (;i>0 && name[i-1]==' ';i--) {
 235                 name[i-1] = 0;
 236         }
 237
 238         return true;
 239 }
 240
 241
 242 /*
 243   compress a name component
 244  */
 245 static uint8_t *compress_name(TALLOC_CTX *mem_ctx,
 246                               const uint8_t *name, enum nbt_name_type type)
 247 {
 248         uint8_t *cname;
 249         int i;
 250         uint8_t pad_char;
 251
 252         if (strlen((const char *)name) > 15) {
 253                 return NULL;
 254         }
 255
 256         cname = talloc_array(mem_ctx, uint8_t, 33);
 257         if (cname == NULL) return NULL;
 258
 259         for (i=0;name[i];i++) {
 260                 cname[2*i]   = 'A' + (name[i]>>4);
 261                 cname[1+2*i] = 'A' + (name[i]&0xF);
 262         }
 263         if (strcmp((const char *)name, "*") == 0) {
 264                 pad_char = 0;
 265         } else {
 266                 pad_char = ' ';
 267         }
 268         for (;i<15;i++) {
 269                 cname[2*i]   = 'A' + (pad_char>>4);
 270                 cname[1+2*i] = 'A' + (pad_char&0xF);
 271         }
 272
 273         pad_char = type;
 274         cname[2*i]   = 'A' + (pad_char>>4);
 275         cname[1+2*i] = 'A' + (pad_char&0xF);
 276
 277         cname[32] = 0;
 278         return cname;
 279 }
 280
 281
 282 /**
 283   pull a nbt name from the wire
 284 */
 285 _PUBLIC_ enum ndr_err_code ndr_pull_nbt_name(struct ndr_pull *ndr, int ndr_flags, struct nbt_name *r)
 286 {
 287         uint8_t *scope;
 288         char *cname;
 289         const char *s;
 290         bool ok;
 291
 292         if (!(ndr_flags & NDR_SCALARS)) {
 293                 return NDR_ERR_SUCCESS;
 294         }
 295
 296         NDR_CHECK(ndr_pull_nbt_string(ndr, ndr_flags, &s));
 297
 298         scope = (uint8_t *)strchr(s, '.');
 299         if (scope) {
 300                 *scope = 0;
 301                 r->scope = talloc_strdup(ndr->current_mem_ctx, (const char *)&scope[1]);
 302                 NDR_ERR_HAVE_NO_MEMORY(r->scope);
 303         } else {
 304                 r->scope = NULL;
 305         }
 306
 307         cname = discard_const_p(char, s);
 308
 309         /* the first component is limited to 16 bytes in the DOS charset,
 310            which is 32 in the 'compressed' form */
 311         if (strlen(cname) > 32) {
 312                 return ndr_pull_error(ndr, NDR_ERR_STRING,
 313                                       "NBT NAME cname > 32");
 314         }
 315
 316         /* decompress the first component */
 317         ok = decompress_name(cname, &r->type);
 318         if (!ok) {
 319                 return ndr_pull_error(ndr, NDR_ERR_STRING,
 320                                       "NBT NAME failed to decompress");
 321         }
 322
 323         r->name = talloc_strdup(ndr->current_mem_ctx, cname);
 324         NDR_ERR_HAVE_NO_MEMORY(r->name);
 325
 326         talloc_free(cname);
 327
 328         return NDR_ERR_SUCCESS;
 329 }
 330
 331 /**
 332   push a nbt name to the wire
 333 */
 334 _PUBLIC_ enum ndr_err_code ndr_push_nbt_name(struct ndr_push *ndr, int ndr_flags, const struct nbt_name *r)
 335 {
 336         uint8_t *cname, *fullname;
 337         enum ndr_err_code ndr_err;
 338
 339         if (!(ndr_flags & NDR_SCALARS)) {
 340                 return NDR_ERR_SUCCESS;
 341         }
 342
 343         if (strlen(r->name) > 15) {
 344                 return ndr_push_error(ndr, NDR_ERR_STRING,
 345                                       "nbt_name longer as 15 chars: %s",
 346                                       r->name);
 347         }
 348
 349         cname = compress_name(ndr, (const uint8_t *)r->name, r->type);
 350         NDR_ERR_HAVE_NO_MEMORY(cname);
 351
 352         if (r->scope) {
 353                 fullname = (uint8_t *)talloc_asprintf(ndr, "%s.%s", cname, r->scope);
 354                 NDR_ERR_HAVE_NO_MEMORY(fullname);
 355                 talloc_free(cname);
 356         } else {
 357                 fullname = cname;
 358         }
 359
 360         ndr_err = ndr_push_nbt_string(ndr, ndr_flags, (const char *)fullname);
 361
 362         return ndr_err;
 363 }
 364
 365
 366 /**
 367   copy a nbt name structure
 368 */
 369 _PUBLIC_ NTSTATUS nbt_name_dup(TALLOC_CTX *mem_ctx, struct nbt_name *name, struct nbt_name *newname)
 370 {
 371         *newname = *name;
 372         newname->name = talloc_strdup(mem_ctx, newname->name);
 373         NT_STATUS_HAVE_NO_MEMORY(newname->name);
 374         newname->scope = talloc_strdup(mem_ctx, newname->scope);
 375         if (name->scope) {
 376                 NT_STATUS_HAVE_NO_MEMORY(newname->scope);
 377         }
 378         return NT_STATUS_OK;
 379 }
 380
 381 /**
 382   push a nbt name into a blob
 383 */
 384 _PUBLIC_ NTSTATUS nbt_name_to_blob(TALLOC_CTX *mem_ctx, DATA_BLOB *blob, struct nbt_name *name)
 385 {
 386         enum ndr_err_code ndr_err;
 387
 388         ndr_err = ndr_push_struct_blob(blob, mem_ctx, name, (ndr_push_flags_fn_t)ndr_push_nbt_name);
 389         if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
 390                 return ndr_map_error2ntstatus(ndr_err);
 391         }
 392
 393         return NT_STATUS_OK;
 394 }
 395
 396 /**
 397   pull a nbt name from a blob
 398 */
 399 _PUBLIC_ NTSTATUS nbt_name_from_blob(TALLOC_CTX *mem_ctx, const DATA_BLOB *blob, struct nbt_name *name)
 400 {
 401         enum ndr_err_code ndr_err;
 402
 403         ndr_err = ndr_pull_struct_blob(blob, mem_ctx, name,
 404                                        (ndr_pull_flags_fn_t)ndr_pull_nbt_name);
 405         if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
 406                 return ndr_map_error2ntstatus(ndr_err);
 407         }
 408
 409         return NT_STATUS_OK;
 410 }
 411
 412
 413 /**
 414   choose a name to use when calling a server in a NBT session request.
 415   we use heuristics to see if the name we have been given is a IP
 416   address, or a too-long name. If it is then use *SMBSERVER, or a
 417   truncated name
 418 */
 419 _PUBLIC_ void nbt_choose_called_name(TALLOC_CTX *mem_ctx,
 420                             struct nbt_name *n, const char *name, int type)
 421 {
 422         n->scope = NULL;
 423         n->type = type;
 424
 425         if ((name == NULL) || is_ipaddress(name)) {
 426                 n->name = "*SMBSERVER";
 427                 return;
 428         }
 429         if (strlen(name) > 15) {
 430                 const char *p = strchr(name, '.');
 431                 char *s;
 432                 if (p - name > 15) {
 433                         n->name = "*SMBSERVER";
 434                         return;
 435                 }
 436                 s = talloc_strndup(mem_ctx, name, PTR_DIFF(p, name));
 437                 n->name = talloc_strdup_upper(mem_ctx, s);
 438                 return;
 439         }
 440
 441         n->name = talloc_strdup_upper(mem_ctx, name);
 442 }
 443
 444
 445 /*
 446   escape a string into a form containing only a small set of characters,
 447   the rest is hex encoded. This is similar to URL encoding
 448 */
 449 static const char *nbt_hex_encode(TALLOC_CTX *mem_ctx, const char *s)
 450 {
 451         int i, len;
 452         char *ret;
 453         const char *valid_chars = "_-.$@ ";
 454 #define NBT_CHAR_ALLOW(c) (isalnum((unsigned char)c) || strchr(valid_chars, c))
 455
 456         for (len=i=0;s[i];i++,len++) {
 457                 if (!NBT_CHAR_ALLOW(s[i])) {
 458                         len += 2;
 459                 }
 460         }
 461
 462         ret = talloc_array(mem_ctx, char, len+1);
 463         if (ret == NULL) return NULL;
 464
 465         for (len=i=0;s[i];i++) {
 466                 if (NBT_CHAR_ALLOW(s[i])) {
 467                         ret[len++] = s[i];
 468                 } else {
 469                         snprintf(&ret[len], 4, "%%%02x", (unsigned char)s[i]);
 470                         len += 3;
 471                 }
 472         }
 473         ret[len] = 0;
 474
 475         return ret;
 476 }
 477
 478
 479 /**
 480   form a string for a NBT name
 481 */
 482 _PUBLIC_ char *nbt_name_string(TALLOC_CTX *mem_ctx, const struct nbt_name *name)
 483 {
 484         TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
 485         char *ret;
 486         if (name->scope) {
 487                 ret = talloc_asprintf(mem_ctx, "%s<%02x>-%s",
 488                                       nbt_hex_encode(tmp_ctx, name->name),
 489                                       name->type,
 490                                       nbt_hex_encode(tmp_ctx, name->scope));
 491         } else {
 492                 ret = talloc_asprintf(mem_ctx, "%s<%02x>",
 493                                       nbt_hex_encode(tmp_ctx, name->name),
 494                                       name->type);
 495         }
 496         talloc_free(tmp_ctx);
 497         return ret;
 498 }
 499
 500 /**
 501   pull a nbt name, WINS Replication uses another on wire format for nbt name
 502 */
 503 _PUBLIC_ enum ndr_err_code ndr_pull_wrepl_nbt_name(struct ndr_pull *ndr, int ndr_flags, const struct nbt_name **_r)
 504 {
 505         struct nbt_name *r;
 506         uint8_t *namebuf;
 507         uint32_t namebuf_len;
 508
 509         if (!(ndr_flags & NDR_SCALARS)) {
 510                 return NDR_ERR_SUCCESS;
 511         }
 512
 513         NDR_CHECK(ndr_pull_align(ndr, 4));
 514         NDR_CHECK(ndr_pull_uint32(ndr, NDR_SCALARS, &namebuf_len));
 515         if (namebuf_len < 1 || namebuf_len > 255) {
 516                 return ndr_pull_error(ndr, NDR_ERR_ALLOC, "value out of range");
 517         }
 518         NDR_PULL_ALLOC_N(ndr, namebuf, namebuf_len);
 519         NDR_CHECK(ndr_pull_array_uint8(ndr, NDR_SCALARS, namebuf, namebuf_len));
 520
 521         if ((namebuf_len % 4) == 0) {
 522                 /*
 523                  * [MS-WINSRA] — v20091104 was wrong
 524                  * regarding section "2.2.10.1 Name Record"
 525                  *
 526                  * If the name buffer is already 4 byte aligned
 527                  * Windows (at least 2003 SP1 and 2008) add 4 extra
 528                  * bytes. This can happen when the name has a scope.
 529                  */
 530                 uint32_t pad;
 531                 NDR_CHECK(ndr_pull_uint32(ndr, NDR_SCALARS, &pad));
 532         }
 533
 534         NDR_PULL_ALLOC(ndr, r);
 535
 536         /* oh wow, what a nasty bug in windows ... */
 537         if (namebuf[0] == 0x1b && namebuf_len >= 16) {
 538                 namebuf[0] = namebuf[15];
 539                 namebuf[15] = 0x1b;
 540         }
 541
 542         if (namebuf_len < 17) {
 543                 r->type = 0x00;
 544
 545                 r->name = talloc_strndup(r, (char *)namebuf, namebuf_len);
 546                 if (!r->name) return ndr_pull_error(ndr, NDR_ERR_ALLOC, "out of memory");
 547
 548                 r->scope= NULL;
 549
 550                 talloc_free(namebuf);
 551                 *_r = r;
 552                 return NDR_ERR_SUCCESS;
 553         }
 554
 555         r->type = namebuf[15];
 556
 557         namebuf[15] = '\0';
 558         trim_string((char *)namebuf, NULL, " ");
 559         r->name = talloc_strdup(r, (char *)namebuf);
 560         if (!r->name) return ndr_pull_error(ndr, NDR_ERR_ALLOC, "out of memory");
 561
 562         if (namebuf_len > 17) {
 563                 r->scope = talloc_strndup(r, (char *)(namebuf+16), namebuf_len-17);
 564                 if (!r->scope) return ndr_pull_error(ndr, NDR_ERR_ALLOC, "out of memory");
 565         } else {
 566                 r->scope = NULL;
 567         }
 568
 569         talloc_free(namebuf);
 570         *_r = r;
 571         return NDR_ERR_SUCCESS;
 572 }
 573
 574 /**
 575   push a nbt name, WINS Replication uses another on wire format for nbt name
 576 */
 577 _PUBLIC_ enum ndr_err_code ndr_push_wrepl_nbt_name(struct ndr_push *ndr, int ndr_flags, const struct nbt_name *r)
 578 {
 579         uint8_t *namebuf;
 580         uint32_t namebuf_len;
 581         uint32_t _name_len;
 582         uint32_t scope_len = 0;
 583
 584         if (r == NULL) {
 585                 return ndr_push_error(ndr, NDR_ERR_INVALID_POINTER,
 586                                       "wrepl_nbt_name NULL pointer");
 587         }
 588
 589         if (!(ndr_flags & NDR_SCALARS)) {
 590                 return NDR_ERR_SUCCESS;
 591         }
 592
 593         _name_len = strlen(r->name);
 594         if (_name_len > 15) {
 595                 return ndr_push_error(ndr, NDR_ERR_STRING,
 596                                       "wrepl_nbt_name longer as 15 chars: %s",
 597                                       r->name);
 598         }
 599
 600         if (r->scope) {
 601                 scope_len = strlen(r->scope);
 602         }
 603         if (scope_len > 238) {
 604                 return ndr_push_error(ndr, NDR_ERR_STRING,
 605                                       "wrepl_nbt_name scope longer as 238 chars: %s",
 606                                       r->scope);
 607         }
 608
 609         namebuf = (uint8_t *)talloc_asprintf(ndr, "%-15s%c%s",
 610                                              r->name, 'X',
 611                                              (r->scope?r->scope:""));
 612         if (!namebuf) return ndr_push_error(ndr, NDR_ERR_ALLOC, "out of memory");
 613
 614         namebuf_len = strlen((char *)namebuf) + 1;
 615
 616         /*
 617          * we need to set the type here, and use a place-holder in the talloc_asprintf()
 618          * as the type can be 0x00, and then the namebuf_len = strlen(namebuf); would give wrong results
 619          */
 620         namebuf[15] = r->type;
 621
 622         /* oh wow, what a nasty bug in windows ... */
 623         if (r->type == 0x1b) {
 624                 namebuf[15] = namebuf[0];
 625                 namebuf[0] = 0x1b;
 626         }
 627
 628         NDR_CHECK(ndr_push_align(ndr, 4));
 629         NDR_CHECK(ndr_push_uint32(ndr, NDR_SCALARS, namebuf_len));
 630         NDR_CHECK(ndr_push_array_uint8(ndr, NDR_SCALARS, namebuf, namebuf_len));
 631
 632         if ((namebuf_len % 4) == 0) {
 633                 /*
 634                  * [MS-WINSRA] — v20091104 was wrong
 635                  * regarding section "2.2.10.1 Name Record"
 636                  *
 637                  * If the name buffer is already 4 byte aligned
 638                  * Windows (at least 2003 SP1 and 2008) add 4 extra
 639                  * bytes. This can happen when the name has a scope.
 640                  */
 641                 NDR_CHECK(ndr_push_zero(ndr, 4));
 642         }
 643
 644         talloc_free(namebuf);
 645         return NDR_ERR_SUCCESS;
 646 }
 647
 648 _PUBLIC_ void ndr_print_wrepl_nbt_name(struct ndr_print *ndr, const char *name, const struct nbt_name *r)
 649 {
 650         char *s = nbt_name_string(ndr, r);
 651         ndr_print_string(ndr, name, s);
 652         talloc_free(s);
 653 }
 654
 655 _PUBLIC_ enum ndr_err_code ndr_push_nbt_res_rec(struct ndr_push *ndr, int ndr_flags, const struct nbt_res_rec *r)
 656 {
 657         {
 658                 uint32_t _flags_save_STRUCT = ndr->flags;
 659                 ndr_set_flags(&ndr->flags, LIBNDR_PRINT_ARRAY_HEX);
 660                 if (ndr_flags & NDR_SCALARS) {
 661                         NDR_CHECK(ndr_push_align(ndr, 4));
 662                         NDR_CHECK(ndr_push_nbt_name(ndr, NDR_SCALARS, &r->name));
 663                         NDR_CHECK(ndr_push_nbt_qtype(ndr, NDR_SCALARS, r->rr_type));
 664                         NDR_CHECK(ndr_push_nbt_qclass(ndr, NDR_SCALARS, r->rr_class));
 665                         NDR_CHECK(ndr_push_uint32(ndr, NDR_SCALARS, r->ttl));
 666                         NDR_CHECK(ndr_push_set_switch_value(ndr, &r->rdata, ((((r->rr_type) == NBT_QTYPE_NETBIOS) && ((r->rdata).data.length == 2))?0:r->rr_type)));
 667                         NDR_CHECK(ndr_push_nbt_rdata(ndr, NDR_SCALARS, &r->rdata));
 668                 }
 669                 if (ndr_flags & NDR_BUFFERS) {
 670                 }
 671                 ndr->flags = _flags_save_STRUCT;
 672         }
 673         return NDR_ERR_SUCCESS;
 674 }